Inspire Medical Systems, Inc.
INSP- Exchange
- NYSE
- Industry
- Surgical & Medical Instruments & Apparatus
- SEC CIK
- 0001609550
In the last 90 days, Inspire Medical Systems, Inc. insiders filed 0 open-market purchases and 1 sale; 275 institutions reported holding it in 13F filings for Q2 2026, worth $1.65B in total; no superinvestor holds it.
13F holders, Q1 2024
Institutional positions in Inspire Medical Systems, Inc. as of Mar 31, 2024. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 327
- −12 vs. Q4 2023
- Shares held
- 31.8M
- +805.4K (+2.6%) vs. Q4 2023
- Total value
- $6.83B
- +$529.0M (+8.4%) vs. Q4 2023
- New holders
- 43
- 123 more added
- Sold out
- 55
- 109 more reduced
4 institutions that held it in Q4 2023 haven't filed for Q1 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 2023: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting INSP on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 275 | $1.65B |
| Q1 2026 | 301 | $1.80B |
| Q4 2025 | 343 | $3.12B |
| Q3 2025 | 325 | $2.31B |
| Q2 2025 | 356 | $4.39B |
| Q1 2025 | 363 | $5.46B |
| Q4 2024 | 357 | $6.20B |
| Q3 2024 | 347 | $7.03B |
| Q2 2024 | 325 | $4.23B |
| Q1 2024 | 327 | $6.83B |
| Q4 2023 | 343 | $6.31B |
| Q3 2023 | 365 | $5.65B |
| Q2 2023 | 407 | $9.11B |
| Q1 2023 | 374 | $6.68B |
| Q4 2022 | 340 | $7.11B |
| Q3 2022 | 301 | $5.01B |
| Q2 2022 | 287 | $5.01B |
| Q1 2022 | 299 | $6.92B |
| Q4 2021 | 289 | $5.95B |
| Q3 2021 | 254 | $5.91B |
| Q2 2021 | 248 | $4.83B |
| Q1 2021 | 251 | $5.21B |
Institutions, Q1 2024
Shares, value and share of portfolio for each institution holding Inspire Medical Systems, Inc.; share changes are against Q4 2023.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Point72 Asset Management, L.P. | 262,301 | $56.3M | 0.16% | −210,894−44.6% | Reduced |
| Charles Schwab Investment Management Inc | 268,887 | $57.8M | 0.01% | +4,949+1.9% | Added |
| Norges Bank | 274,536 | $59.0M | 0.01% | +33,096+13.7% | Added |
| Credit Suisse AG | 297,084 | $63.8M | 0.06% | −58,975−16.6% | Reduced |
| Artisan Partners Limited Partnership | 301,174 | $64.7M | 0.09% | +301,174 | New |
| Franklin Resources Inc | 309,929 | $66.6M | 0.02% | −204,083−39.7% | Reduced |
| American Century Companies Inc | 338,376 | $72.7M | 0.05% | +335,074+10,147.6% | Added |
| Eversept Partners, LP | 420,699 | $90.4M | 6.75% | +69,583+19.8% | Added |
| Ameriprise Financial Inc | 431,443 | $92.7M | 0.03% | −59,827−12.2% | Reduced |
| Federated Hermes, Inc. | 453,200 | $97.3M | 0.22% | −680.0% | Reduced |
| Price T Rowe Associates Inc | 459,766 | $98.8M | 0.01% | +156,893+51.8% | Added |
| Geode Capital Management, LLC | 462,320 | $99.3M | 0.01% | +17,506+3.9% | Added |
| State Street Corp | 530,200 | $113.9M | 0.01% | −993−0.2% | Reduced |
| Westfield Capital Management Co LP | 538,294 | $115.6M | 0.61% | −7,325−1.3% | Reduced |
| Macquarie Group Ltd | 558,485 | $120.0M | 0.14% | +19,910+3.7% | Added |
| Bank of New York Mellon Corp | 595,577 | $127.9M | 0.02% | +197,097+49.5% | Added |
| JPMorgan Chase & Co | 618,150 | $132.8M | 0.01% | −13,731−2.2% | Reduced |
| Farallon Capital Management, L.L.C. | 626,854 | $134.6M | 0.79% | −228,242−26.7% | Reduced |
| Champlain Investment Partners, LLC | 641,685 | $137.8M | 0.79% | −6,910−1.1% | Reduced |
| Frontier Capital Management Co LLC | 684,740 | $147.1M | 1.37% | −57,306−7.7% | Reduced |
| William Blair Investment Management, LLC | 756,811 | $162.6M | 0.42% | −50,136−6.2% | Reduced |
| Wasatch Advisors Inc | 1,102,867 | $236.9M | 1.24% | +5,522+0.5% | Added |
| Baillie Gifford & Co | 1,467,613 | $315.2M | 0.25% | +237,734+19.3% | Added |
| BlackRock Inc. | 1,891,019 | $406.2M | 0.01% | +90,812+5.0% | Added |
| Wellington Management Group LLP | 1,952,658 | $419.4M | 0.07% | +522,392+36.5% | Added |
| Vanguard Group Inc | 2,892,404 | $621.3M | 0.01% | −39,065−1.3% | Reduced |
| FMR LLC | 4,437,765 | $953.2M | 0.06% | +1,180,221+36.2% | Added |
| Slate Path Capital LP | 0 | $0 | 0.00% | −294,000−100.0% | Sold out |
| Marshall Wace, LLP | 0 | $0 | 0.00% | −247,641−100.0% | Sold out |
| Iron Triangle Partners LP | 0 | $0 | 0.00% | −150,000−100.0% | Sold out |
| Summit Partners Public Asset Management, LLC | 0 | $0 | 0.00% | −141,777−100.0% | Sold out |
| Ophir Asset Management Pty Ltd | 0 | $0 | 0.00% | −125,788−100.0% | Sold out |
| Alyeska Investment Group, L.P. | 0 | $0 | 0.00% | −87,687−100.0% | Sold out |
| Tudor Investment Corp Et Al | 0 | $0 | 0.00% | −71,600−100.0% | Sold out |
| Royce & Associates LP | 0 | $0 | 0.00% | −42,269−100.0% | Sold out |
| Polar Asset Management Partners Inc. | 0 | $0 | 0.00% | −39,800−100.0% | Sold out |
| Axiom Investors LLC | 0 | $0 | 0.00% | −27,201−100.0% | Sold out |
| Squarepoint Ops LLC | 0 | $0 | 0.00% | −26,539−100.0% | Sold out |
| Optimas Capital Ltd | 0 | $0 | 0.00% | −18,979−100.0% | Sold out |
| Miura Global Management, LLC | 0 | $0 | 0.00% | −15,000−100.0% | Sold out |
| Archon Capital Management LLC | 0 | $0 | 0.00% | −15,000−100.0% | Sold out |
| LMR Partners LLP | 0 | $0 | 0.00% | −14,579−100.0% | Sold out |
| Sirios Capital Management L P | 0 | $0 | 0.00% | −13,122−100.0% | Sold out |
| Prudential Financial Inc | 0 | $0 | 0.00% | −9,923−100.0% | Sold out |
| Calamos Advisors LLC | 0 | $0 | 0.00% | −9,483−100.0% | Sold out |
| DekaBank Deutsche Girozentrale | 0 | $0 | 0.00% | −7,500−100.0% | Sold out |
| Natixis | 0 | $0 | 0.00% | −6,809−100.0% | Sold out |
| Knights of Columbus Asset Advisors LLC | 0 | $0 | 0.00% | −6,536−100.0% | Sold out |
| Eisler Capital (UK) Ltd. | 0 | $0 | 0.00% | −5,604−100.0% | Sold out |
| Chartwell Investment Partners, LLC | 0 | $0 | 0.00% | −3,748−100.0% | Sold out |
| Aigen Investment Management, LP | 0 | $0 | 0.00% | −3,122−100.0% | Sold out |
| Weiss Multi-Strategy Advisers LLC | 0 | $0 | 0.00% | −3,115−100.0% | Sold out |
| Edgestream Partners, L.P. | 0 | $0 | 0.00% | −2,760−100.0% | Sold out |
| Simplex Trading, LLC | 0 | $0 | 0.00% | −2,699−100.0% | Sold out |
| Cetera Advisors LLC | 0 | $0 | 0.00% | −2,436−100.0% | Sold out |
| Millrace Asset Group, Inc. | 0 | $0 | 0.00% | −2,321−100.0% | Sold out |
| Occudo Quantitative Strategies LP | 0 | $0 | 0.00% | −2,241−100.0% | Sold out |
| Wolverine Trading, LLC | 0 | $0 | 0.00% | −1,806−100.0% | Sold out |
| Affinity Investment Advisors, LLC | 0 | $0 | 0.00% | −1,606−100.0% | Sold out |
| Los Angeles Capital Management LLC | 0 | $0 | 0.00% | −1,583−100.0% | Sold out |
| First Hawaiian Bank | 0 | $0 | 0.00% | −1,560−100.0% | Sold out |
| Cetera Advisor Networks LLC | 0 | $0 | 0.00% | −1,446−100.0% | Sold out |
| Prelude Capital Management, LLC | 0 | $0 | 0.00% | −1,310−100.0% | Sold out |
| Captrust Financial Advisors | 0 | $0 | 0.00% | −1,157−100.0% | Sold out |
| First Trust Advisors LP | 0 | $0 | 0.00% | −1,096−100.0% | Sold out |
| Capula Management Ltd | 0 | $0 | 0.00% | −1,071−100.0% | Sold out |
| Walleye Trading LLC | 0 | $0 | 0.00% | −1,055−100.0% | Sold out |
| Cornerstone Investment Partners, LLC | 0 | $0 | 0.00% | −1,016−100.0% | Sold out |
| Tradition Wealth Management, LLC | 0 | $0 | 0.00% | −628−100.0% | Sold out |
| Exchange Traded Concepts, LLC | 0 | $0 | 0.00% | −401−100.0% | Sold out |
| O'Dell Group, LLC | 0 | $0 | 0.00% | −361−100.0% | Sold out |
| Advisory Services Network, LLC | 0 | $0 | 0.00% | −308−100.0% | Sold out |
| McGlone Suttner Wealth Management, Inc. | 0 | $0 | 0.00% | −132−100.0% | Sold out |
| American Capital Advisory, LLC | 0 | $0 | 0.00% | −110−100.0% | Sold out |
| Sandy Spring Bank | 0 | $0 | 0.00% | −75−100.0% | Sold out |
| Raleigh Capital Management Inc. | 0 | $0 | 0.00% | −46−100.0% | Sold out |
| First Horizon Advisors, Inc. | 0 | $0 | 0.00% | −27−100.0% | Sold out |
| HighMark Wealth Management LLC | 0 | $0 | 0.00% | −25−100.0% | Sold out |
| Glassman Wealth Services | 0 | $0 | 0.00% | −16−100.0% | Sold out |
| McClarren Financial Advisors, Inc. | 0 | $0 | 0.00% | −16−100.0% | Sold out |
| Caldwell Sutter Capital, Inc. | 0 | $0 | 0.00% | −1−100.0% | Sold out |
| Larson Financial Group LLC | 0 | $0 | 0.00% | −1−100.0% | Sold out |
| Putnam Investments LLC | – | – | – | – | Not filed |
| AtonRa Partners | – | – | – | – | Not filed |
| Baystate Wealth Management LLC | – | – | – | – | Not filed |
| Nalls Sherbakoff Group, LLC | – | – | – | – | Not filed |